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Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Bolted Exterior Body Panels And Closures >> Repair Instructions >> Liftgate Wiring Harness Replacement >> Installation Procedure

Installation Procedure

  1. GM5598531Courtesy of GM

    Liftgate Wiring Harness (1) - Install

  2. Connect the electrical connectors and wire harness retainers as needed.
  3. Reposition and secure the headliner and liftgate weatherstrip.
  4. GM5577873Courtesy of GM

    Connect the electrical connector.

  5. Liftgate Lower Trim Finish Panel (3) - Install
    6. CAUTION:

    Refer to Fastener Caution .

  6. Liftgate Lower Trim Finish Panel Bolt (2) - Install and tighten - Fastener Specifications
  7. Rear Compartment Lid Inner Panel Trim Hole Plug (1) - Install
  8. GM5577872Courtesy of GM

    Liftgate Upper Side Trim Finish Panel (1) - Install [2x]

  9. GM5577870Courtesy of GM

    Liftgate Upper Center Trim Finish Panel (1) - Install

  10. GM5584398Courtesy of GM

    Liftgate Lower Trim Finish Panel Access Hole Cover (2) - Install

  11. Liftgate Trim Finish Panel Locator (1) - Install [2x]
  12. Close the liftgate window.
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